wgengine: remove LinkChange method from Engine interface

It was only used by Android, until
https://github.com/tailscale/tailscale-android/pull/131
which does the call to the netMon directly instead.

Updates #cleanup

Change-Id: Iab8a1d8f1e63250705835c75f40e2cd8c1c4d5b8
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2023-09-12 15:59:38 -07:00 committed by Brad Fitzpatrick
parent 727b1432a8
commit b8a4c96c53
3 changed files with 0 additions and 25 deletions

View File

@ -1099,13 +1099,6 @@ func (e *userspaceEngine) Wait() {
<-e.waitCh
}
// LinkChange signals a network change event. It's currently
// (2021-03-03) only called on Android. On other platforms, netMon
// generates link change events for us.
func (e *userspaceEngine) LinkChange(_ bool) {
e.netMon.InjectEvent()
}
func (e *userspaceEngine) linkChange(delta *netmon.ChangeDelta) {
changed := delta.Major // TODO(bradfitz): ask more specific questions?
cur := delta.New

View File

@ -137,9 +137,6 @@ func (e *watchdogEngine) UpdateStatus(sb *ipnstate.StatusBuilder) {
func (e *watchdogEngine) RequestStatus() {
e.watchdog("RequestStatus", func() { e.wrap.RequestStatus() })
}
func (e *watchdogEngine) LinkChange(isExpensive bool) {
e.watchdog("LinkChange", func() { e.wrap.LinkChange(isExpensive) })
}
func (e *watchdogEngine) SetDERPMap(m *tailcfg.DERPMap) {
e.watchdog("SetDERPMap", func() { e.wrap.SetDERPMap(m) })
}

View File

@ -95,21 +95,6 @@ type Engine interface {
// TODO: return an error?
Wait()
// LinkChange informs the engine that the system network
// link has changed.
//
// The isExpensive parameter is not used.
//
// LinkChange should be called whenever something changed with
// the network, no matter how minor.
//
// Deprecated: don't use this method. It was removed shortly
// before the Tailscale 1.6 release when we remembered that
// Android doesn't use the Linux-based network monitor and has
// its own mechanism that uses LinkChange. Android is the only
// caller of this method now. Don't add more.
LinkChange(isExpensive bool)
// SetDERPMap controls which (if any) DERP servers are used.
// If nil, DERP is disabled. It starts disabled until a DERP map
// is configured.